Italian Grand Prix
As an Italian Grand Prix (Gran Premio d' Italia ) is since 1950 regularly held annually a Formula 1 race. In addition to the Grand Prix of Great Britain, the Grand Prix of Italy is the only Formula 1 race, which was held consistently every year since the creation of the Formula 1.
Autodromo Enzo e Dino Ferrari in Imola
1, 1950, the 21 Italian Grand Prix was held, although previously only 19 Grand Prix had taken place. It is not clear how it has come to this counting method. Ways of doing this are that you waived in part to the 17 since it was an unlucky number, or that the planned for 1940 17th edition was internally counted despite the cancellation.